“CodePen is a playground for the front end side of the web. It’s all about inspiration, education, and sharing.”

“Need to build a reduced test case to demonstrate and figure out a bug? CodePen is great for that. Want to show off your latest creation and get feedback from your peers? CodePen is great for that. Want to find example of a particular design pattern for you project? CodePen is great for that.”

A tool that “allows you to preview any URL on large number of mobile devices simultaneously. Just enter a URL, hit enter, and new URL gets automatically loaded on each device. Remote preview works on platforms like Android, Blackberry, iOS, Maemo, Meego, Symbian, Windows Phone and WebOS.”

“Yeoman is a robust and opinionated client-side stack, comprised of tools and frameworks that can help developers quickly build beautiful web applications. We take care of providing everything needed to get started without any of the normal headaches associated with a manual setup.”

Beautifully crafted timelines that are easy, and intuitive to use. TimelineJS can pull in media from different sources. It has built in support for: Twitter, Flickr, Google Maps, YouTube, Vimeo, Dailymotion, Wikipedia, SoundCloud and more media types in the future.

Creating one is as easy as filling in a Google spreadsheet or as detailed as JSON.

via @drhayes A “light-weight progressive ajax API crafted for flexibility, readability, and a low learning curve after being frustrated with many of the existing request APIs. It also works with Node.js!”